Eerily is a synonym of strangely.
As adverbs the difference between strangely and eerily
is that strangely is in a strange or coincidental manner while eerily is in an eerie manner.
strangely
English
Adverb
(
en adverb)
In a strange or coincidental manner.
(archaic) Surprisingly, wonderfully.
* 1610 , , act 4 scene 1
- [...] all thy vexations / Were but my trials of thy love, and thou / Hast strangely stood the test [...]
eerily
English
Adverb
(
en adverb)
In an eerie manner.
* '>citation
Synonyms
* strangely
* ominously
* sinisterly